Piotr Marciniak
ROR Backend Developer at Stuart
Lodz Metropolitan Area Poland
Summary
👤
Senior🎓
Top SchoolPiotr Marciniak is a seasoned Ruby on Rails backend developer with 16 years of experience building and leading web application projects across startups and enterprise clients. Currently at Stuart, he focuses on developing core financial services, having previously led and contributed to major Rails projects like BookingSync and restaurant-kritik.de. He brings full lifecycle expertise—designing, testing and implementing web solutions—and is expanding into project and team management. Based in Łódź, Poland, Piotr favors remote roles and combines deep Rails proficiency with front-end skills in JavaScript, AJAX and CSS, which helps him bridge backend priorities with user-facing realities. An early career foundation in telecommunications and hands-on testing/consulting gives him a pragmatic quality-assurance mindset that improves production reliability.
16 years of coding experience
6 years of employment as a software developer
MS, Telecommunications and Computer Science, MS, Telecommunications and Computer Science at Politechnika ŁódzkaXXVI LO w Łodzi
English, Polish, French
Stackoverflow
1reputation
2kreached
0answers
2questions
Github Skills (43)
devise10
authentication10
factories9
test-kitchen9
warden9
ruby9
capybara9
rails9
spree9
dry-rb8
test-data8
coercion8
portal8
testing8
rubygems8
Programming languages (4)
Github contributions (5)
Mandaryn/swinginlodz
Apr 2016 - Nov 2017
Contributions:269 pushes, 2 branches in 1 year 7 months
BookingSync/bookingsync-stylecheck
Jan 2015 - Jan 2017
Contributions:47 commits, 14 PRs, 56 pushes in 1 year 11 months
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